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41. Re: [Amps] Reusing old 450mhz CDMA base station amplifiers for ham radio on 70cm band. (score: 1): Author: Lukasz <sp4it.mail@gmail.com>; Date: Sat, 12 Apr 2025 09:11:37 +0200; Great. Thank you for the reply. Good tip about the logic Vcc. 73, Lukasz I 8 _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/; /archives//html/Amps/2025-04/msg00013.html (12,428 bytes)
42. Re: [Amps] 10 meter amp coil (score: 1): Author: Lukasz <sp4it.mail@gmail.com>; Date: Sun, 13 Apr 2025 09:09:19 +0200; I'm not sure about the consensus, but let me say, just by being a mono hander you'll sidestep the problem I had with my diy amp at 10m. The band switch. I thought it was big enough... It got to 80C a; /archives//html/Amps/2025-04/msg00014.html (8,131 bytes)
43. Re: [Amps] Reusing old 450mhz CDMA base station amplifiers for ham radio on 70cm band. (score: 1): Author: Lukasz <sp4it.mail@gmail.com>; Date: Mon, 21 Apr 2025 19:01:38 +0200; For anyone interested the answer seems to be 18V. The third transistor from the back has maximum bias voltage of 0.807 at 19V and it drops to 0.804 if increased to 20V. But when I switch the "enable"; /archives//html/Amps/2025-04/msg00025.html (13,938 bytes)

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